A three month course of daily fish oil capsules appeared to significantly reduce the rate of psychotic disorders in young people, an improvement that seemed to persist when doctors assessed their mental health seven years later.
People celebrate in the streets at Ground Zero, the site of the World Trade Centre, waving American flags and honking horns to celebrate the death of al Qaeda founder and leader Osama bin Laden on May 1, 2011.
Osama bin Laden's son vows to avenge his father's death. Hamza bin Laden, who is believed to have escaped SEAL raid that killed his dad, appears in a new video threatening Americans. Hear the secret story of how an elite team of US commandos chased and lost bin Laden's trail at Tora Bora, just ten weeks after 9/11.